Which transformations are needed to change the parent cosine function to y= 3cos(10(x-pi) )?

Answers

Answer 1

Answer: The parent cosine function can be transformed and translated. So, from the basic function cos(x) we can obtain function acos(bx+c). In our case, a=3- amplitude, b=10- the period change and c=-pi- the phase shift. So, the parent cosine function is mutiplied with 3 (which gives the amplitude of the function, 3*0.5=1.5). The period of the function is changed, and is 2pi/b=2pi/10=pi/5 and the cos(x) is phase shifted for c/b=-pi/10.

Answer 2

Answer:

Answer:

I think it´s B

Step-by-step explanation:

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Evaluate the expression for the given value of the variable(s). 5a+5b;a=-6b=-5

A. 19 B. 17 C. -11 D. 21

Answers

The given expression is 5a+5b The given values of a and b are a=-6 ,b=-5

Substituting the values of a and b in the expression we have :

5a+5b= 5(-6)+5(-5)

= -30 -25 ( when a positive and a negative number is multiplied the result is a negative number)

-30-25=-55 (same signs are added)

The answer to the expression 5a+5b when a=-6 anf b=5 is -55.

[The given options are not correct.]

The answer to what you have there is -55 using order of operations. 5 times -6 is -30. 5 times -5 is -25. add. You get -55.

Heidi, a jewelry salesperson, earns a commission of $55 every time she sells a diamond ring. How many rings does she have to sell to earn $605? Choose the equation that correctly calculates the amount.A. $55 × w = $605
B. $55 + w = $605
C. $605 – $55 = w
D. $55 – w = $605 – w

Answers

A is the answer. This is because 605/55=w which is the same as
55 x w =605

Answer:

Step-by-step explanation:

Math Help

Explain when is a rational expression restricted.

Answers

basically, domain is all real numbers that cause an not allowed
some things that aren't allowed are dividing by zero and taking the square root of a number less than zero, restrict all values that make thos things hapen

exapmle

a/b, b can not be zero

(3+x)/(4-x)
x cannot be 4 since that would be dividing by zero

another example
√(x-3)
x cannot be less than 3 because that would make a sqrt of a negative

basiccally restrictions are not allowed becasue we don't understnad what happens when we break them

Morgan measures the capacity of a juice glass to be 12 fluid ounces. If she uses the glass to drink 4 glasses of water throughout the day, how many pints of water does morgan drink?

Answers

So,

Morgan drank 4 glasses of water out of a juice glass that contains 12 fluid ounces. To find how many pints Morgan drinks, we need to multiply the number of glasses by the number of fluid ounces, convert from fl. oz. to cups, and convert from cups to pints.

4 * 12 = 48 fl. oz.

8 fl. oz. = 1 cup
48 fl. oz. = 6 cups

2 c. = 1 pt.
6 c. = 3 pt.

Morgan drink 3 pints of water.

approximately 3 liquid pints. (3.00005)

Express each as a single power of 2...

2^a X 2^b X 2^c

2^a+b X 2^a-b

Answers

i) $2 ^(a)*2 ^(b)* 2^(c)$
We know that $x^(a) * x^(b) = x^(a+b)$
Therefore,
$2 ^(a)*2 ^(b)* 2^(c)$ = $2 ^(a+b+c)$
ii) $2 ^(a+b) * 2 ^(a-b)= 2^((a+b+a-b))$
$= 2^(2a)$

The answer to the problem 3(6 - 7) + 8 is called a ____________. A). difference. B). product. C). quotient. D). sum

Answers

D.) Sum

even when there is a multiplication the bigger operation is the sum

it sum.because basically you are adding them up

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Graph the equation x-y=6

A triangle with interior angles measuring a, b, and c degrees and exteriorangle measuring d degrees is shown above. If d measures 140°, what is thesum of a and b?

(01.03) A box has dimensions of 17 inches long, 1.3 feet wide, and 8 inches high. What is the volume of the box? The formula for the volume is V = l ⋅ w ⋅ h. (1 point) 2121.6 cubic inches (in3) 176.8 cubic inches (in3) 14.7 cubic inches (in3) 1.2 cubic inches (in3)